US3015575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sensitive, heat-resistant recording material and method of making same
Assignee: Oxford Paper Co
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Filing: 1959-12-10
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Granted: 1962-01-02
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Expires: 1979-12-10
Abstract
No abstract record available.
Inventors
- 👤 Jr George S Mcknight
- 👤 Harold W Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:05
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; Y; Y10; Y10S; Y10S428/00; Y10S428/918; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31765; Y10T428/31768; Y10T428/31772; Y10T428/31775; Y10T428/31844; Y10T428/31848; Y10T428/31851
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
PRESSURE-SENSITIVE, HEAT-RESISTANT RECORDING MATERIAL INCLUDING A BASE SHEET, A NORMALLY OPOAQUE COATING HAVING THE PROPERTY OF BECOMING RELATIVELY TRANSPARENT UNDER WRITING PRESSURE WITHOUT BECOMING RELATIVELY TRANSPARENT UNDER HEAT UP TO ABOUT THE CHARRING TEMPERATURE OF PAPER AND INCLUDING A MATRIX FORMED OF AT LEAST ONE ESSENTIALLY NON-VOLATILE WATER-SOLUBLE FATTY COMPOUND AND A PFGMENT EMBEDDED IN SAID MATRIX, SAID PIGMENT HAVING A REFRACTIVE INDEX OF LESS THAN ABOUT 1.64 AND BEING CAPABLE OF PRODUCING AN OPAQUE COATING WHEN LAID DOWN AND HIGH TRANSPARENCY WHEN IMAGED, AND AN UNDERSURFACE OF A COLOR CONTRASTING TO THE COLOR OF SAID PIGMENT, SAID FATTY COMPOUND BEING PRESENT IN PROPORTIONS BETWEEN ABOUT 15 AND 120 PERCENT BY WEIGHT BASED ON THE DRY WEIGHT OF SAID PIGMENT.
Claim 2
Dependent Claim
120 words
PRESSURE-SENSITIVE, HEAT-RESISTANT RECORDING MATERIAL INCLUDING A BASE SHEET, A NORMALLY OPOAQUE COATING HAVING THE PROPERTY OF BECOMING RELATIVELY TRANSPARENT UNDER WRITING PRESSURE WITHOUT BECOMING RELATIVELY TRANSPARENT UNDER HEAT UP TO ABOUT THE CHARRING TEMPERATURE OF PAPER AND INCLUDING A MATRIX FORMED OF AT LEAST ONE ESSENTIALLY NON-VOLATILE WATER-SOLUBLE FATTY COMPOUND AND A PFGMENT EMBEDDED IN SAID MATRIX, SAID PIGMENT HAVING A REFRACTIVE INDEX OF LESS THAN ABOUT 1.64 AND BEING CAPABLE OF PRODUCING AN OPAQUE COATING WHEN LAID DOWN AND HIGH TRANSPARENCY WHEN IMAGED, AND AN UNDERSURFACE OF A COLOR CONTRASTING TO THE COLOR OF SAID PIGMENT, SAID FATTY COMPOUND BEING PRESENT IN PROPORTIONS BETWEEN ABOUT 15 AND 120 PERCENT BY WEIGHT BASED ON THE DRY WEIGHT OF SAID PIGMENT.
References Cited (Backward Citations)
US1783442A
Cited
US2313808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |